QCHS Series swung drop hammer poultry equipment fan /Poultry fan/ventilation fan/exhaust fan is best chioce for cooling and ventilation of greenhouse or plant buidings due to its favorable properties. The characteristics are as follows: 1)High overall pressure 2) Large bloeing rate 3) Low noise and power consumption 4) Stable operation, long duration. 5) Its windown-binds not only bring the aesthetic profile but also defend against dust or water when automatically activated. Model BlademmBlade Speedround/minMotor Speedround/minCapacitym3/hPressurPaNoise DBPower WVoltageHmmW mmT mmQCHS-5005009609602300060≤70750380605605380QCHS-7107109609602300060≤70750380780780420QCHS-72072066014002200060≤60550380830830400DJF-7507509609601480060≤60750380820820400QCHS-75075063014002800065≤65370380900900400QCHS-90090061014003000070≤7075038010001000400QCHS-1000100060014003250070≤7075038011001100400QCHS-1100110046014003800073≤7075038012201220400QCHS-1250125043914004400056≤70110038013801380400QCHS-1400140043914005580060≤70150038015301530400QCHS Series Double-Sided Network Fan